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Flow field design and experimental investigation of electrochemical machining on blisk

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Flow field is a crucial factor to influence the stability and surface quality in the electro-chemical machining(ECM)of blisks.A four-way flow mode was proposed to eliminate mixing regions of electrolyte at the leading and tailing edges.Two flow field models were described sepa-rately in this report:a W-shaped flow mode and a four-way flow mode.The flow field was analyzed through a finite element method.The results showed that,in comparison with the W-shaped flow mode,the distribution of electrolyte flow was more uniformed and the mixed region in the flow channel was improved.The pressure of the leading and tailing edges inlets was optimized,and opti-mal pressure of 0.6 MPa was determined.In addition,verification experiments were performed,and the results showed that the stability,efficiency,and quality of the profiles of the blisk blade man-ufactured by ECM were enhanced in the new flow mode.

BliskElectrochemical machiningElectrolyteFlow fieldSurface quality

Jianwei GUO、Dong ZHU、Di ZHU

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College of Mechanical and Electrical Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China

National Nature Science Foundation of ChinaNational Natural Science Foundation of China for Creative Research GroupsNational Science and Technology Major Pro-ject

91860135519210032017-Ⅶ-0004-0097

2022

中国航空学报(英文版)
中国航空学会

中国航空学报(英文版)

CSTPCDCSCDSCIEI
影响因子：0.847
ISSN：1000-9361
年,卷(期)：2022.35(8)
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